Lilian: Name day
Name Day List: Lilian
| Country | Day | Month | Names |
 Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
 Estonia | 20 | May | Liilia, Lilian, Liili, Lille, Lilli, Lilja |
 Finland | 20 | May | Lilian, Lilja, Karoliina, Lila, Lili, Lilli, Lilia |
 Sweden | 6 | September | Lilian, Lilly |
Name Day List - similar names (Lilian)
| Country | Day | Month | Names |
 Lithuania | 14 | February | Liliana, Saile, Saulius, Valentinas |
 Czechia | 25 | February | Liliana |
 Latvia | 10 | March | Adrians, Kira, Laimrota, Liliana, Silvija |
| Latvia | 30 | April | Liana, Liliana, Lilija, Linda |
 Austria | 10 | May | Gordian, Isidor, Liliana |
 Hungary | 27 | July | Olga, Liliána |
 USA | 27 | July | Joy, Joyce, Lila, Lilac, Liliana, Lillian, Lillie, Lilly, Lily |
| Poland | 4 | September | Agatonik, Ida, Lilianna, Rościgniew, Róża, Rozalia |